You need a dually. My pin weight is 4,500# on our 36 SB3 Mobile Suites. Sure people do it with 2500 and 3500 single rear wheel trucks but IMHO they are crazy!
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2015 RAM LongHorn Dually Air ride Aisin 4:10's
2016 MS 39TKSB3 "Highly Elited"
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